Science is not a chapter to memorise — it is something that happens on your table. 48 experiments and builds, sorted by Std, each with what to do, what you will see, and why it happens.
Four kitchen liquids sit in four separate stripes in one glass, and a grape parks itself halfway down.
🧰 a tall clear glass, honey, washing-up liquid…Try it → Science25 min
An ordinary iron nail picks up a pile of paper clips and drops every one of them the instant you break the circuit.
🧰 one 1.5 volt cell, about one metre of thin insulated copper wire, an iron nail…Try it → Science25 min
A spoonful of dried powder, fed nothing but sugar, inflates a balloon while you watch.
🧰 one teaspoon of dried yeast, two teaspoons of sugar, warm water…Try it → Science25 min
Yellow turmeric paper turns deep red in soapy water and stays yellow in lemon juice, sorting your kitchen into two families.
🧰 one teaspoon of turmeric powder, water, white paper cut into strips…Try it → Science15 min
Your fourteen sketches laid in a row show the lit shape sliding smoothly from a thin curve to a full disc.
🧰 a notebook and pencil, a phone camera, a window or spot with a clear sky view…Try it → Science25 min
Tapping the fullest bottle gives the lowest note, but blowing across the very same bottle gives the highest.
🧰 six identical glass bottles or glasses, water, a measuring cup…Try it →Ask Acharya Samayeshwar about any of these ideas — he explains them for your board and Std.
Ask GuruAcharya Samayeshwar
